Dec 18 05:58:01.373 INFO checking PhilipDaniels/stock_prices against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:58:01.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/PhilipDaniels/stock_prices:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:58:01.804 INFO [stdout] 52a211cc0ba6308c708b97ddde0381f22ad180a62a30c592d28d9974b4b089c8
Dec 18 05:58:01.808 INFO running `"docker" "start" "-a" "52a211cc0ba6308c708b97ddde0381f22ad180a62a30c592d28d9974b4b089c8"`
Dec 18 05:58:04.196 INFO [stderr]     Checking csv v1.0.0
Dec 18 05:58:04.196 INFO [stderr]     Checking chrono v0.4.5
Dec 18 05:58:07.611 INFO [stderr]     Checking stock_prices v0.1.0 (/opt/crater/workdir)
Dec 18 05:58:10.636 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 05:58:10.636 INFO [stderr]  --> src/main.rs:6:1
Dec 18 05:58:10.636 INFO [stderr]   |
Dec 18 05:58:10.636 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 18 05:58:10.636 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 05:58:10.636 INFO [stderr]   |
Dec 18 05:58:10.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:58:10.636 INFO [stderr] 
Dec 18 05:58:10.700 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 05:58:10.700 INFO [stderr]  --> src/main.rs:6:1
Dec 18 05:58:10.700 INFO [stderr]   |
Dec 18 05:58:10.700 INFO [stderr] 6 | #[macro_use] extern crate structopt;
Dec 18 05:58:10.700 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 05:58:10.700 INFO [stderr]   |
Dec 18 05:58:10.700 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:58:10.700 INFO [stderr] 
Dec 18 05:58:10.704 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 05:58:10.704 INFO [stderr]    --> src/main.rs:492:9
Dec 18 05:58:10.704 INFO [stderr]     |
Dec 18 05:58:10.704 INFO [stderr] 492 |     use std::error::Error;
Dec 18 05:58:10.704 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 18 05:58:10.704 INFO [stderr] 
Dec 18 05:58:10.704 INFO [stderr] warning: unused import: `StockPriceError`
Dec 18 05:58:10.704 INFO [stderr]    --> src/main.rs:493:9
Dec 18 05:58:10.704 INFO [stderr]     |
Dec 18 05:58:10.704 INFO [stderr] 493 |     use StockPriceError;
Dec 18 05:58:10.704 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 18 05:58:10.704 INFO [stderr] 
Dec 18 05:58:11.297 INFO [stderr] warning: unused variable: `prices`
Dec 18 05:58:11.298 INFO [stderr]    --> src/main.rs:213:13
Dec 18 05:58:11.298 INFO [stderr]     |
Dec 18 05:58:11.298 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.298 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 18 05:58:11.299 INFO [stderr]     |
Dec 18 05:58:11.299 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 05:58:11.299 INFO [stderr] 
Dec 18 05:58:11.299 INFO [stderr] warning: unused variable: `msg`
Dec 18 05:58:11.300 INFO [stderr]    --> src/main.rs:123:54
Dec 18 05:58:11.300 INFO [stderr]     |
Dec 18 05:58:11.300 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 18 05:58:11.300 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 18 05:58:11.301 INFO [stderr] 
Dec 18 05:58:11.476 INFO [stderr] warning: unused variable: `prices`
Dec 18 05:58:11.476 INFO [stderr]    --> src/main.rs:213:13
Dec 18 05:58:11.476 INFO [stderr]     |
Dec 18 05:58:11.476 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.476 INFO [stderr]     |             ^^^^^^ help: consider using `_prices` instead
Dec 18 05:58:11.476 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:58:11.476 INFO [stderr]    --> src/main.rs:213:9
Dec 18 05:58:11.476 INFO [stderr]     |
Dec 18 05:58:11.476 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.476 INFO [stderr]     |         ----^^^^^^
Dec 18 05:58:11.476 INFO [stderr]     |         |
Dec 18 05:58:11.476 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:58:11.476 INFO [stderr]     |
Dec 18 05:58:11.476 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:58:11.476 INFO [stderr] 
Dec 18 05:58:11.477 INFO [stderr]     |
Dec 18 05:58:11.477 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 05:58:11.477 INFO [stderr] 
Dec 18 05:58:11.477 INFO [stderr] warning: unused variable: `msg`
Dec 18 05:58:11.477 INFO [stderr]    --> src/main.rs:123:54
Dec 18 05:58:11.477 INFO [stderr]     |
Dec 18 05:58:11.477 INFO [stderr] 123 |             StockPriceError::CannotParseDocument(ref msg) => None,
Dec 18 05:58:11.477 INFO [stderr]     |                                                      ^^^ help: consider using `_msg` instead
Dec 18 05:58:11.477 INFO [stderr] 
Dec 18 05:58:11.560 INFO [stderr] warning: function is never used: `serialize`
Dec 18 05:58:11.561 INFO [stderr]    --> src/main.rs:465:5
Dec 18 05:58:11.561 INFO [stderr]     |
Dec 18 05:58:11.561 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 18 05:58:11.561 INFO [stderr] 466 | |         where S: Serializer,
Dec 18 05:58:11.561 INFO [stderr] 467 | |     {
Dec 18 05:58:11.561 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 18 05:58:11.561 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 18 05:58:11.561 INFO [stderr] 470 | |     }
Dec 18 05:58:11.561 INFO [stderr]     | |_____^
Dec 18 05:58:11.561 INFO [stderr]     |
Dec 18 05:58:11.561 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:58:11.561 INFO [stderr] 
Dec 18 05:58:11.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:58:11.567 INFO [stderr]    --> src/main.rs:232:13
Dec 18 05:58:11.567 INFO [stderr]     |
Dec 18 05:58:11.567 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 18 05:58:11.568 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:58:11.568 INFO [stderr]     |
Dec 18 05:58:11.568 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:58:11.568 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:58:11.569 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 05:58:11.569 INFO [stderr] 
Dec 18 05:58:11.724 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:58:11.724 INFO [stderr]    --> src/main.rs:213:9
Dec 18 05:58:11.724 INFO [stderr]     |
Dec 18 05:58:11.724 INFO [stderr] 213 |     let mut prices: Vec<Price> = read_csv(&file, args.print).expect("Could not read price.csv");
Dec 18 05:58:11.725 INFO [stderr]     |         ----^^^^^^
Dec 18 05:58:11.725 INFO [stderr]     |         |
Dec 18 05:58:11.725 INFO [stderr]     |         help: remove this `mut`
Dec 18 05:58:11.726 INFO [stderr]     |
Dec 18 05:58:11.726 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:58:11.726 INFO [stderr] 
Dec 18 05:58:11.803 INFO [stderr] warning: function is never used: `serialize`
Dec 18 05:58:11.803 INFO [stderr]    --> src/main.rs:465:5
Dec 18 05:58:11.804 INFO [stderr]     |
Dec 18 05:58:11.804 INFO [stderr] 465 | /     pub fn serialize<S>(date: &Date<Utc>, serializer: S) -> Result<S::Ok, S::Error>
Dec 18 05:58:11.804 INFO [stderr] 466 | |         where S: Serializer,
Dec 18 05:58:11.805 INFO [stderr] 467 | |     {
Dec 18 05:58:11.805 INFO [stderr] 468 | |         let s = format!("{}", date.format(FORMAT));
Dec 18 05:58:11.805 INFO [stderr] 469 | |         serializer.serialize_str(&s)
Dec 18 05:58:11.805 INFO [stderr] 470 | |     }
Dec 18 05:58:11.806 INFO [stderr]     | |_____^
Dec 18 05:58:11.806 INFO [stderr]     |
Dec 18 05:58:11.806 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:58:11.806 INFO [stderr] 
Dec 18 05:58:11.811 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:58:11.811 INFO [stderr]    --> src/main.rs:232:13
Dec 18 05:58:11.811 INFO [stderr]     |
Dec 18 05:58:11.812 INFO [stderr] 232 |             writeln!(file, "{}", error);
Dec 18 05:58:11.812 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:58:11.812 INFO [stderr]     |
Dec 18 05:58:11.812 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:58:11.813 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:58:11.813 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 05:58:11.813 INFO [stderr] 
Dec 18 05:58:11.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
Dec 18 05:58:13.272 INFO running `"docker" "inspect" "52a211cc0ba6308c708b97ddde0381f22ad180a62a30c592d28d9974b4b089c8"`
Dec 18 05:58:13.604 INFO running `"docker" "rm" "-f" "52a211cc0ba6308c708b97ddde0381f22ad180a62a30c592d28d9974b4b089c8"`
Dec 18 05:58:13.977 INFO [stdout] 52a211cc0ba6308c708b97ddde0381f22ad180a62a30c592d28d9974b4b089c8